Socialist Party of Italian Workers (Italian: Partito Socialista dei Lavoratori Italiani, PSLI) is the name for a political party that has been used by three distinct organizations of the political left in Italy.
PSLI was the first name of the Italian Socialist Party (Italian: Partito Socialista Italiano, PSI) from 1893 to 1895.
[1] The most well known usage of PSLI was as the name of the Unitary Socialist Party (Italian: Partito Socialista Unitario, PSU) from 1925 to 1927.
[2] PSLI was the name of the Italian Democratic Socialist Party (Italian: Partito Socialista Democratico Italiano, PSDI) from 1947 to 1951.
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